CN206532123U - Vehicle-mounted box intelligent switch device - Google Patents
Vehicle-mounted box intelligent switch device Download PDFInfo
- Publication number
- CN206532123U CN206532123U CN201720097131.5U CN201720097131U CN206532123U CN 206532123 U CN206532123 U CN 206532123U CN 201720097131 U CN201720097131 U CN 201720097131U CN 206532123 U CN206532123 U CN 206532123U
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- vehicle
- chips
- uart
- power supply
- main control
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Abstract
Turn USB chips, on-vehicle host, controlling switch, the first power supply and second source the utility model discloses a kind of vehicle-mounted box intelligent switch device, including Vehicle Controller, OBD main control chips, UART；Vehicle Controller, OBD main control chips, UART turn USB chips and on-vehicle host is sequentially connected electrically to constitute communication port；Controlling switch turns USB chips, the first power supply and second source with OBD main control chips, UART and is electrically connected, OBD main control chips and UART turn USB chips by driving the controlling switch to the pulse of controlling switch output level, and controlling switch is used to drive first power supply and second source；First power supply turns USB chips with UART and electrically connected, for turning USB chip power supplies for UART；Second source is electrically connected with on-vehicle host, for being powered for on-vehicle host.Using the utility model, simple in construction, easy to operate, flexibility is strong, and the automatic switch of vehicle-mounted box can be achieved.
Description
Technical field
The utility model is related to mobile unit technical field, more particularly to a kind of vehicle-mounted box intelligent switch device.
Background technology
At present, vehicle-mounted box is essentially all by vehicle-mounted OBD（On-Board Diagnostic onboard diagnostic systems）Or
Person's point mouth is powered, and existing vehicle-mounted OBD is much both provided with switching switch, therefore, it can by switching switch
Or the switch of vehicle-mounted box is directly carried out by way of plugging supply lines, but the above method is respectively provided with different degrees of lack
Fall into, such as：
1st, existing vehicle-mounted box is required for actively carrying out switching on and shutting down by artificial, and does not have hommization and intelligentized
Advantage.
The 2nd, if people gets off flame-out, shutdown is forgotten, vehicle-mounted box is possible to that automobile storage battery electricity can be depleted, and causes automobile not
Can normally be struck sparks startup.
3rd, directly shut down by way of button or plug supply lines, system is possible to that number can not be preserved in time
According to so as to cause the system failure.
The content of the invention
Technical problem to be solved in the utility model is strong there is provided a kind of simple in construction, easy to operate, flexibility
Vehicle-mounted box intelligent switch device, can be achieved the automatic switch of vehicle-mounted box.
In order to solve the above-mentioned technical problem, the utility model provides a kind of vehicle-mounted box intelligent switch device, including car
Set controller, OBD main control chips, UART turn USB chips, on-vehicle host, controlling switch, the first power supply and second source；It is described
Vehicle Controller, OBD main control chips, UART turn USB chips and on-vehicle host is sequentially connected electrically to constitute communication port；The control
System switch turns USB chips, the first power supply and second source with the OBD main control chips, UART and is electrically connected, the OBD master
Control chip and UART turn USB chips by driving the controlling switch to the pulse of controlling switch output level, and the control is opened
Close for driving first power supply and second source；First power supply turns USB chips with UART and electrically connected, for be described
UART turns USB chip power supplies；The second source is electrically connected with on-vehicle host, for being powered for the on-vehicle host.
As the improvement of such scheme, connected between Vehicle Controller and the OBD main control chip by CAN-BUS buses
Connect.
As the improvement of such scheme, the UART turns USB chips provided with GP2 pins and SHUT pins, the UART
Turn between USB chips and controlling switch to electrically connect by GP2 pins and SHUT pins.
As the improvement of such scheme, the OBD main control chips are provided with PA5 pins, the OBD main control chips and control
Electrically connected between switch by PA5 pins.
As the improvement of such scheme, first power supply is 5V power supplys.
As the improvement of such scheme, the second source is 12V power supplys.
Implement the beneficial effects of the utility model to be：
The vehicle-mounted box intelligent switch device of the utility model carries out automatic switch by OBD main control chips to on-vehicle host
Machine, humanized and intellectuality.
Meanwhile, will strike sparks signal and misfire signals of the utility model are combined with the switch of vehicle-mounted box, can be prevented effectively from
Vehicle-mounted box depletes the storage battery electricity of automobile.
In addition, the utility model first automatically saves data before shutdown, it is to avoid direct power-off and cause system failure
Risk.
Brief description of the drawings
Fig. 1 is the circuit diagram of the vehicle-mounted box intelligent switch device of the utility model.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.Only this is stated, the up, down, left, right, before and after of the invention that occurs in the text or will appear from,
The orientation such as inside and outside word, only on the basis of the accompanying drawing of the present invention, it is not the specific restriction to the present invention.
Referring to Fig. 1, Fig. 1 shows the circuit theory diagrams of the vehicle-mounted box intelligent switch device of the utility model, and it includes car
Set controller 1, OBD main control chips 2, UART turn USB chips 3, on-vehicle host 4, controlling switch 5, the first power supply 6 and second source
7。
Specifically：The Vehicle Controller 1, OBD main control chips 2, UART turn USB chips 3 and on-vehicle host 4 is electrically connected successively
Connect to constitute communication port, therefore, OBD main control chips 2 and UART can be passed through between the Vehicle Controller 1 and on-vehicle host 4
Turn USB chips 3 and realize transmission step by step between signal；The controlling switch 5 turns USB cores with the OBD main control chips 2, UART
Piece 3, the first power supply 6 and second source 7 are electrically connected, wherein, the OBD main control chips 2 and UART turn USB chips 3 and passed through
To the output level pulse of controlling switch 5 to drive the controlling switch 5, the controlling switch 5 is used to drive first power supply 6
And second source 7；First power supply 6 turns USB chips 3 with UART and electrically connected, and is powered for turning USB chips 3 for the UART；
The second source 7 is electrically connected with on-vehicle host 4, for being powered for the on-vehicle host 4.
Further, connected between the Vehicle Controller 1 and OBD main control chips 2 by CAN-BUS buses.
The UART turns USB chips 3 provided with GP2 pins and SHUT pins, and the UART turns USB chips 3 and opened with control
Electrically connected between closing 5 by GP2 pins and SHUT pins.When GP2 pins and SHUT pins export high electricity to controlling switch 5 simultaneously
During flat pulse, controlling switch 5 exports open signal to drive the first power supply 6 and second source to the first power supply 6 and second source 7
7 open；When GP2 pins and SHUT pins export low level pulse to controlling switch 5 simultaneously, controlling switch 5 is to the first power supply 6
Export shutdown signal to close the first power supply 6 and second source 7 with second source 7.
The OBD main control chips 2 are provided with PA5 pins, and PA5 is passed through between the OBD main control chips 2 and controlling switch 5
Pin is electrically connected.When PA5 pins export high level pulse to controlling switch 5, controlling switch 5 is electric to the first power supply 6 and second
Source 7 exports open signal to drive the first power supply 6 and second source 7 to open.
Preferably, first power supply 6 is 5V power supplys, and the second source 7 is 12V power supplys, but is not limited system, is used
Family can adjust the power supply of the first power supply 6 and second source 7 according to the actual requirements, as long as enabling the first power supply 6 to meet UART
Turn the power demands of USB chips 3, second source 7 can meet the power demands of on-vehicle host 4.
The utility model is described in further detail below in conjunction with specific embodiments.
First, automobile is struck sparks
When S1, automobile sparking, the automobile that OBD main control chips 2 gather Vehicle Controller 1 by CAN-BUS buses, which is struck sparks, to be believed
Number, and when exporting one by PA5 pins a length of 5S high level pulse to controlling switch 5；
S2, controlling switch 5 to the first power supply 6 and second source 7 export when a length of 5S open signal, so as to drive first
Power supply 6 and second source 7 are opened, wherein, the first power supply 6 turns USB chips 3 for UART and powered so that UART turns USB chips 3 in 5S
Interior upper electricity is simultaneously opened, and second source 7 is that on-vehicle host 4 is powered so that on-vehicle host 4 is opened；
S3, UART turn after the normal work of USB chips 3, and high level pulse is exported to controlling switch 5, control by GP2 pins
Switch 5 exports open signal the first power supply 6 and second source 7 are kept it turned on；
S4, on-vehicle host 4 work and turn USB chips 3 with UART and communicated, and on-vehicle host 4 gets automobile sparking letter
Number；
While S5, the loading USB of on-vehicle host 4, UART turns SHUT pins output high level pulse in USB chips 3 and extremely controlled
System switch 5；
S6, now, the Auto Power On of on-vehicle host 4 after automobile sparking.
2nd, automobile flameout
When K1, automobile flameout, OBD master controls letter chip, which collects misfire signals and turns USB chips 3 by UART, uploads to car
Carry main frame 4；
K2, on-vehicle host 4 are read after misfire signals, are actively preserved data and are reduced UART and turn GP2 in USB chips 3 and draw
The level pulse that pin is exported；
K3, on-vehicle host 4 have been preserved after necessary information, actively unload USB, USB and UART is turned USB chips 3 and are disconnected
Communication, meanwhile, reduction UART turns the level pulse that SHUT pins are exported in USB chips 3；
K4, the low level pulse exported due to SHUT pins and GP2 pins, therefore controlling switch 5 is to the first power supply 6 and
Two power supplys 7 export shutdown signal, and the first power supply 6 and second source 7 are turned off, and on-vehicle host 4 and UART turn the power-off of USB chips 3 pass
Close；
K5, now, on-vehicle host 4 automatically saves data and shut down after automobile flameout.
From the foregoing, it will be observed that the vehicle-mounted box intelligent switch device of the utility model by OBD main control chips 2 come to on-vehicle host 4
Carry out automatic switching, humanized and intellectuality；Meanwhile, the utility model will sparking signal and misfire signals and vehicle-mounted box
The switch of son is combined, and can be prevented effectively from the storage battery electricity that vehicle-mounted box depletes automobile；In addition, the utility model is before shutdown
First automatically save data, it is to avoid direct power-off and cause the risk of system failure.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection domain of the present utility model.
Claims (6)
1. a kind of vehicle-mounted box intelligent switch device, it is characterised in that turn including Vehicle Controller, OBD main control chips, UART
USB chips, on-vehicle host, controlling switch, the first power supply and second source；
The Vehicle Controller, OBD main control chips, UART turn USB chips and on-vehicle host is sequentially connected electrically and led to constituting communication
Road；
The controlling switch turns USB chips, the first power supply and second source with the OBD main control chips, UART and is electrically connected,
The OBD main control chips and UART turn USB chips by driving the controlling switch, institute to the pulse of controlling switch output level
Stating controlling switch is used to drive first power supply and second source；
First power supply turns USB chips with UART and electrically connected, for turning USB chip power supplies for the UART；
The second source is electrically connected with on-vehicle host, for being powered for the on-vehicle host.
2. vehicle-mounted box intelligent switch device as claimed in claim 1, it is characterised in that the Vehicle Controller and OBD master
Connected between control chip by CAN-BUS buses.
3. vehicle-mounted box intelligent switch device as claimed in claim 1, it is characterised in that the UART turns to set on USB chips
There are GP2 pins and a SHUT pins, the UART turns between USB chips and controlling switch to be electrically connected by GP2 pins and SHUT pins
Connect.
4. vehicle-mounted box intelligent switch device as claimed in claim 1, it is characterised in that the OBD main control chips are provided with
PA5 pins, are electrically connected between the OBD main control chips and controlling switch by PA5 pins.
5. vehicle-mounted box intelligent switch device as claimed in claim 1, it is characterised in that first power supply is 5V power supplys.
6. vehicle-mounted box intelligent switch device as claimed in claim 1, it is characterised in that the second source is 12V power supplys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097131.5U CN206532123U (en) | 2017-01-25 | 2017-01-25 | Vehicle-mounted box intelligent switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720097131.5U CN206532123U (en) | 2017-01-25 | 2017-01-25 | Vehicle-mounted box intelligent switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206532123U true CN206532123U (en) | 2017-09-29 |
Family
ID=59921062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720097131.5U Expired - Fee Related CN206532123U (en) | 2017-01-25 | 2017-01-25 | Vehicle-mounted box intelligent switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206532123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383361A (en) * | 2018-12-27 | 2020-07-07 | 朗德软件技术(北京)有限公司 | Vehicle condition information acquisition system for vehicle NVH evaluation and test |
-
2017
- 2017-01-25 CN CN201720097131.5U patent/CN206532123U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111383361A (en) * | 2018-12-27 | 2020-07-07 | 朗德软件技术(北京)有限公司 | Vehicle condition information acquisition system for vehicle NVH evaluation and test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170929 Termination date: 20200125 |